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$262+ Cheap flights from Oregon to London (LON)

PDX — LON
Sep 18 — Sep 251
Fri 9/18
Fri 9/25
1 adult, Economy
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1. Tell us where you want to go

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3. Compare prices and book

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Cheap flight deals from Oregon to London

Cheapest flights from Oregon to London

Sun 12/65:00 am -
2 stops21h 15m
Tue 12/89:00 am -
2 stops22h 20m
Deal found 8/17$752
Sun 12/61:07 pm -
1 stop12h 33m
Tue 12/89:00 am -
2 stops21h 54m
Deal found 8/17$752
Sun 12/66:20 am -
2 stops17h 50m
Tue 12/86:35 am -
2 stops18h 20m
Deal found 8/15$753
Sun 12/610:39 am -
2 stops18h 21m
Tue 12/86:35 am -
2 stops19h 41m
Deal found 8/16$754
Sun 12/611:30 am -
2 stops16h 15m
Tue 12/810:45 am -
1 stop14h 13m
Deal found 8/18$815
Sun 12/67:05 am -
1 stop21h 30m
Tue 1/126:30 am -
2 stops16h 30m
Deal found 8/16$871
Wed 11/47:00 am -
1 stop18h 15m
Mon 11/97:40 pm -
2 stops25h 05m
Deal found 8/16$876
Wed 11/186:00 am -
1 stop20h 40m
Thu 11/266:30 am -
2 stops20h 16m
Deal found 8/15$877
Sun 12/65:15 am -
2 stops19h 35m
Thu 1/146:20 am -
2 stops19h 13m
Deal found 8/16$879
Wed 12/91:13 pm -
2 stops14h 32m
Tue 1/126:30 am -
2 stops19h 03m
Deal found 8/16$880
Wed 11/1812:22 pm -
2 stops17h 23m
Thu 11/266:30 am -
2 stops20h 16m
Deal found 8/15$882
Sun 12/63:10 pm -
1 stop14h 10m
Wed 1/132:45 pm -
1 stop16h 01m
Deal found 8/16$883

Find flight deals from Oregon to London

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$752
(United Airlines)

One-way from

$262
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,049

Good round-trip deal

$979 or less

Good one-way deal

$443 or less
Provider with most accurate pricing for Portland-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Portland-London (LON) flights.
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From Oregon to London (LON)
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One-way flight from Oregon to London (LON)
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Highest demand for flights based on searches. 20% potential increase in price ($232 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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Price to beat on a round-trip flight from Oregon to London (LON).
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Price to beat on a one-way flight from Oregon to London (LON).
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Oregon to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

EugeneLondon

EUG Eugene - LHR London Heathrow

EUGLHR

Eugene

Sun 12/6

1:58 pm-11:15 am

1 stop13h 17m

London Heathrow

Tue 12/8

9:00 am-11:20 pm

2 stops22h 20m

$752

RedmondLondon

RDM Bend/Redmond - LHR London Heathrow

RDMLHR

Bend/Redmond

Sun 12/6

5:30 am-9:10 am

2 stops19h 40m

London Heathrow

Tue 12/8

6:35 am-6:03 pm

2 stops19h 28m

$754

EugeneLondon

EUG Eugene - LHR London Heathrow

EUGLHR

Eugene

Sun 2/14

6:00 am-12:20 pm

1 stop22h 20m

London Heathrow

Tue 3/2

2:45 pm-12:23 am

1 stop17h 38m

$888

EugeneLondon

EUG Eugene - LHR London Heathrow

EUGLHR

Eugene

Sun 12/6

10:04 am-12:20 pm

1 stop18h 16m

London Heathrow

Tue 12/8

2:45 pm-11:55 pm

1 stop17h 10m

$888

RedmondLondon

RDM Bend/Redmond - LHR London Heathrow

RDMLHR

Bend/Redmond

Sun 12/6

7:40 am-12:20 pm

1 stop20h 40m

London Heathrow

Tue 12/8

2:45 pm-7:46 pm

1 stop13h 01m

$888

BoiseLondon

BOI Boise Air Term. Gowen Fld - LGW London Gatwick

BOILGW

Boise Air Term. Gowen Fld

Mon 2/1

5:40 am-9:00 am

2 stops20h 20m

London Gatwick

Wed 2/10

10:00 am-8:17 pm

2 stops17h 17m

$897

PortlandLondon

PDX Portland - LTN London Luton

PDXLTN

Portland

Mon 9/28

3:30 pm-10:50 pm

2 stops23h 20m

London Luton

Wed 11/18

7:45 am-5:00 pm

2 stops17h 15m

$898

PortlandLondon

PDX Portland - LTN London Luton

PDXLTN

Portland

Mon 11/2

2:45 pm-9:50 pm

2 stops23h 05m

London Luton

Mon 11/16

8:00 am-5:00 pm

1 stop17h 00m

$899

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Wed 12/2

9:35 pm-6:50 am

1 stop25h 15m

London Gatwick

Tue 12/8

10:10 am-8:49 pm

1 stop18h 39m

$906

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Tue 9/29

3:28 pm-11:20 am

1 stop12h 52m

London Heathrow

Wed 10/7

6:30 am-5:14 pm

2 stops17h 44m

$907

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Oregon to London

Have a flexible travel schedule? Discover the best time to fly to London from Oregon with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Oregon to London

What is the cheapest month to book a flight from Oregon to London?

Currently, February is the cheapest month in which you can book a flight from Oregon to London (average of $718). Flying from Oregon to London in July is currently the most expensive (average of $1,258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OR to LON?

When flying from Oregon to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Oregon to London

The most flights from USOR to LON are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from Oregon to London?

Airfare is typical for this route at the moment.
Oregon to London flights typically cost between $764 and $1,164 in February.
The cheapest round-trip price found within the last 5 days was $887 on Lufthansa (Feb 7-Feb 25).

How far ahead should I book a flight from Oregon to London?

Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oregon to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

  • How long is the flight from Oregon to London?

    Airlines like United Airlines, Alaska Airlines, and Delta fly from Oregon to London in about 13h 17m. The time it takes to get you to your destination can typically vary by up to 7h 48m. The distance between Oregon and London is about 4998 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Oregon to London one-way?

    One-way options have recently been found by users for as low as $329 on Alaska Airlines. Other airlines that offer cheap prices include Icelandair from $337 and British Airways from $355 one-way.

  • What are the most popular routes from Oregon to London?

    While some choose either Portland - London Gatwick or Portland - London Stansted, Portland - London Heathrow is the most popular route from Oregon to London.

  • What are the most reliable airlines from Oregon to London?

    No one likes to see their flight delayed. When booking a flight from Oregon to London consider choosing American Airlines (82%), Alaska Airlines (82%) or Aer Lingus (82%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Oregon to London?

    Looking at all options, your cheapest flight can be booked for $368. While the most popular route (Portland - London Heathrow) can be booked for $606 on average, our data indicates $2,843 when flying from Oregon to London.

  • Can I find deals for flights from Oregon to London that include hotel bookings?

    Yes. In addition to deals on Oregon to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to London.

  • Can I find deals for business class flights from Oregon to London?

    Yes. Cheapflights offers flight deals from Oregon to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to London?

    Currently, February is the cheapest month in which you can book a flight from Oregon to London (average of $718). Flying from Oregon to London in July is currently the most expensive (average of $1,258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Winchester
Gatwick
Hounslow
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Dartford
Croydon
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Oregon to London

AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$472Average$737FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$538Average$1,041FlexibilityNo cancel feeOn-time69%
DeltaCheapest$551Average$1,230FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$593Average$1,007FlexibilityNo cancel feeOn-time70%
KLMCheapest$604Average$879FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$609Average$1,004FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$630Average$1,145FlexibilityNo cancel feeOn-time76%
IberiaCheapest$637Average$981FlexibilityNo cancel feeOn-time77%
FinnairCheapest$641Average$984FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$676Average$1,051FlexibilityNo cancel feeOn-time75%

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